ATP Prices Common Stock Offering at $14 Per Share

ATP Oil & Gas Corporation (Nasdaq: ATPG) announced the sale to accredited investors of 4,000,000 shares of its common stock at $14 per share. ATP expects to receive approximately $53 million of net proceeds after fees and expenses from this offering. Use of proceeds from this offering will be used primarily to accelerate the development of its oil and gas properties both in the Gulf of Mexico and in the North Sea. Other uses of proceeds include general corporate purposes and an expected $13.3 million reduction of its term loan.

Originally scheduled as a 4,000,000 share sale, the offering size was increased as a result of demand to 4,435,857 shares. The additional 435,857 shares of common stock were sold in the offering by T. Paul Bulmahn, Founder and Chairman of ATP. After the offering, Mr. Bulmahn will own 8,339,410 shares. ATP will not receive any proceeds from the sale of shares by Mr. Bulmahn.

The shares sold in this private placement have not been registered under the Securities Act of 1933 and may not be offered or sold in the United States absent registration or an applicable exemption from registration requirements.